For a variety of deployment reasons, we've decided that whatever we choose will be deployed on the JVM. As a result, this comparison is for the JVM versions of the languages, e.g. JRuby, Jython, and, of course, Groovy, which has no other deployment option.

ite: Yes, I agree with you -- this post is meant for a Java programmer to start with Groovy and JRuby quickly. BTW, I did say this: "It is said that you can write Fortran in any language! While you still have to learn language specific idioms, naming, cod